Hierarchies of Predicates of Finite Types

Foundations of Relative Homological Algebra

Modules over Commutative Regular Rings

A Hierarchy of Formulas in Set Theory

Projections onto Translation-Invariant Subspaces of $L^p (G)$

Finite and Infinite Primes for Rings and Fields

Unoriented Bordism and Actions of Finite Groups

Analytic Continuation of the Irreducible Unitary Representations of the Universal Covering Group of SL(2, R)

The Metastable Homotopy of $S^n$

The $\mod 2$ Cohomology Structure of Certain Fibre Spaces

Locally Compact Transformation Groups and C^*-Algebras